fix cmake files, pkg-config file

CMakeLists.txt

@@ -174,9 +174,7 @@ set(Boost_DETAILED_FAILURE_MSG ON)
 set(Boost_USE_STATIC_LIBS ON)
 find_package(Boost 1.70.0 REQUIRED COMPONENTS system iostreams regex date_time program_options)
 
-find_package(ZLIB REQUIRED)
-
-include_directories(${Boost_INCLUDE_DIR})
+find_package(ZLIB REQUIRED COMPONENTS zlibstatic)
 
 # Create a revision file, containing the current git version info
 
@@ -205,6 +203,7 @@ if(RECREATE_SYMOP_DATA)
 	add_executable(symop-map-generator "${CMAKE_SOURCE_DIR}/tools/symop-map-generator.cpp")
 
 	target_link_libraries(symop-map-generator Threads::Threads ${Boost_LIBRARIES} std::filesystem ZLIB::ZLIB)
+	target_include_directories(symop-map-generator ${Boost_INCLUDE_DIR})
 
 	set($ENV{CLIBD} ${CLIBD})
 	
@@ -265,6 +264,8 @@ target_include_directories(cifpp
 	PUBLIC
 	"$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>"
 	"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+	${Boost_INCLUDE_DIR}
+	${ZLIB_INCLUDE_DIR}
 )
 
 target_link_libraries(cifpp Threads::Threads ${Boost_LIBRARIES} std::filesystem ZLIB::ZLIB)
@@ -388,6 +389,16 @@ set(exec_prefix ${CMAKE_INSTALL_PREFIX})
 set(libdir      ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
 set(includedir  ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR})
 
+get_target_property(PRIVATE_LIBRARIES cifpp INTERFACE_LINK_LIBRARIES)
+foreach(LIB ${PRIVATE_LIBRARIES})
+  set(PRIVATE_LIBS "${PRIVATE_LIBS} -l${LIB}")
+endforeach()
+
+get_target_property(PRIVATE_INCLUDE_DIRS cifpp INTERFACE_INCLUDE_DIRECTORIES)
+foreach(INC ${PRIVATE_INCLUDE_DIRS})
+  set(PRIVATE_INC_DIRS "${PRIVATE_INC_DIRS} -I ${INC}")
+endforeach()
+
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libcifpp.pc.in
 	${CMAKE_CURRENT_BINARY_DIR}/libcifpp.pc.in @ONLY)
 file(GENERATE OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/libcifpp.pc

libcifpp.pc.in

@@ -8,5 +8,5 @@ Name: libcifpp
 Description: C++ library for the manipulation of mmCIF files.
 Version: @PACKAGE_VERSION@
 
-Libs: -L${libdir} -lcifpp
-Cflags: -I${includedir}
+Libs: -L${libdir} -lcifpp @PRIVATE_LIBS@
+Cflags: -I${includedir} @PRIVATE_INC_DIRS@